Brake disc for motorcycles



FIG. 1 is a front elevational view of brake disc for motorcycles according to an embodiment of my design; the rear elevational view being a mirror image of that shown;

FIG. 2 is a left side elevational view thereof; the right side elevational view being a mirror image of that shown; and,

FIG. 3 is a top plan view thereof; the bottom plan view being a mirror image of that shown.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a brake disc for motorcycles, as shown and described. 